Flow of Energy in Living Systems - FOOD CHAINS & WEBS (7.5B)

An ____________ are all living and nonliving things that interact with each other in the environment.

• organism

• population

• community

• ecosystem

A ______ ______ is any system that uses energy for the purposes of growth, maintenance, and reproduction. It is an organized interaction between organisms. These systems are maintained by flows of information, energy and matter.

• living system

• niche

• ecosystem

The role of an organism within its environment and community (affecting its survival as a species) is known as its _____

• living system

• niche

• ecosystem

A ____ _____ is a series of steps in an ecosystem in which organisms transfer energy by eating and being eaten. A ____ _____ is a diagram that shows how energy is passed in a linear direction from producer to consumer to consumer.

• Energy pyramid

• Food web

• Food chain

Which of the following correctly shows how energy flows through a food chain?

• Sun → carnivores → producers → herbivores

• Sun → producers → herbivores → carnivores

• Sun → herbivores → carnivores → producers

• Sun → producers → carnivores → herbivores

The image provided shows the flow of energy through a food chain. Which organism in this food chain is a producer?

• Plant

• Beetle

• Catfish

• Hawk

A ____ ___ is a system of interlocking and interdependent food chains. ____ ____ are diagrams that represent a network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem.

• Energy pyramid

• Food web

• Food chain

A diagram of a prairie food web is provided. Which organism in this food web gets its energy, indirectly, from prairie grass?

• Squirrel

• Mountain lion

• Robin

• Eagle

An _________ is an organism capable of synthesizing its own food, using light or chemical energy. Green plants, algae, and certain bacteria are examples of these.

• autotroph

• heterotroph

___________ are organisms that obtain their nutrients or food from consuming other organisms.

• Autotroph

• Heterotroph